Color
#501e71
#501e71rgb(80, 30, 113)hsl(276, 58%, 28%)oklch(0.354 0.138 308.5)Colors that go with #501e71
Charcoal, Crimson and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #501e71: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #501e71 in 5 real palettes, including Lenovo's brand system and Casper Sleep's brand system, as the supporting colour.
Midnight Blue #191970
shipped4 real palettes, including Gillette's brand system and Visa's brand system put Midnight Blue beside #501e71, as the supporting colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #501e71 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #501e71: 3 real palettes, including Purina Pro Plan's brand system and Blue Mono, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #501e71 in 3 real palettes, including Discord's brand system and Confluent's brand system, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #501e71 in 3 real palettes, including Gillette's brand system and Datadog's brand system, as the lead colour.
Tomato #ff6347
shipped3 real palettes, including dbt Labs's brand system and Golden Hour put Tomato beside #501e71, as the lead colour.
Real palettes that use #501e71
Tints & shades
Harmonies
Contrast
| #501e71 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.9:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.77:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #501e71 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#501e71 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #501e71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/501e71-b99cc4-bfcb62-2d1f2d-eae9f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md